P2187 Diagnostic Trouble Code Discussion for February 2020
Fuel System Too Lean At Idle
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| Help Request | Posted | |
| 2008 BMW 550i 4.8L Poor Idle Quality, Surge, Misfire, MIL Lamp on VIN: WBANW53518 P2187: system too lean bank 1 29E7. This vehicle has strange intermittent lean condition, it only occurs once during drive cycle & only after sitting overnight, it only occurs when temperature is cool out. Engine starts up fine idle stable, but after 1/2 to 1 mile of driving only when co... |
February 19, 2020 |
